Other questions in this quiz

2. What does monochromatic mean?

  • 1 speed
  • 1 colour
  • 1 wavelength

3. What is the trough on a wave?

  • the lowest point on a wave
  • the highest point on a wave

4. What are lasers used for?

  • Carrying data through optic fibres
  • remote contols

5. What is one kind of seismic wave?

  • P waves
  • S waves
  • earthquake

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